A third case of coronavirus has been reported in Illinois, according to the state Department of Public Health.

A test “resulted in presumptive positives for COVID-19,” it was announced Saturday night by the state’s public health department and the Cook County Department of Public Health. The positive test result will have to be confirmed by the U.S. Centers for Disease Control and Prevention lab.

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The patient is hospitalized in isolation, and CDC protocols have been implemented, according to officials.

Officials are trying to identify and monitor those who were within contact of the patient to reduce risk of transmission, officials said. The state of Illinois will request a CDC deploy team for assistance.

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Gov. J.B. Pritzker has requested that hospitals across the state implement additional testing to improve surveillance for the virus, officials said. Illinois was the first state to provide for testing, and the governor had announced Friday that two more labs in Springfield and Carbondale, in addition to the current state lab in Cook County, will be able to provide testing next week.

The two others who were infected with the virus in Illinois have since made a full recovery, officials said.

Symptoms of the virus include mild to severe respiratory illness with fever, cough and difficulty breathing, officials said. The virus has not spread widely in the U.S., and the risk to the public remains low.

Also Saturday, saying it was a “very fluid’’ situation, all students studying at Loyola University Chicago’s John Felice Rome Center in Italy have been told they must return home by March 4.

The message, posted on Loyola’s website by a school director, was addressed to students, parents, faculty and staff at the Rome Center.

“With our students' wellbeing at the forefront of our decision-making and the newest directive from the U.S. government, Loyola University Chicago has decided to repatriate students studying in Italy at the JFRC and is asking all JFRC and partner school students to return home by Wednesday, March 4,’’ the director posted.

“Based on evolving U.S. Centers for Disease Control and Prevention (CDC) guidelines, students re-entering the U.S. are required to stay in place at home for a 14-day observation period. In the event that any symptoms are noticed, students should seek immediate medical attention.’’

“We are saddened and share your disappointment around this decision,’’ the post said. "This is a very fluid situation. We will do our best to keep everyone updated in the event that there are additional changes.”